我会牵着你的手,不管前面的路充满荆棘,还是一条宽阔的大路,我都会陪你走下去

I will pick up your palm.Whatever a way flat or rugged in front of us,I would go along with you till the end.
OR
I will hold your hand.Whatever the road in front of us is flat or rugged,I would go along with you till the end.